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Even so, their future behavior (despite being chaotic) is determined by physical causes. The system is not deciding what its output is like a human being with free will; its output is caused by initial factors even though these factors are too complicated or unknown to us. Free will would not be a good analogy to these chaotic systems since some conscious entity can determine its output (or do what it won't do). Any initial factors (even if they are too complicated or unknown to us) would restrict that action of a human being and not allow for free will even if the relationship iscomplex